No, just tend to overstudy something I'm interested in. Been that way since I was a little kid. Once I'm done, it's stored forever inside the brain. It's amazing how much useless bits of information have been saved by my brain. I really don't need to know the key code for my parents' 1981 Honda Accord that we sold in 1996, nor the VIN number for same.
I understand perfectly. In 1991, I sold my Plymouth Roadrunner vin# RM21NOA184669, to buy a Harley Sportster #64XLCH4737. I looked at a Pan-Shovel #67FLH3013, but settled on the Sportster..